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प्रश्न
The image formed by a concave mirror is of the same size as the object, if the object is placed
विकल्प
at the focus
between the pole and focus
between the focus and centre of curvature
at the centre of curvature.
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उत्तर
at the centre of curvature.
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संबंधित प्रश्न
An object of height 5 cm is placed perpendicular to the principal axis of a concave lens of focal length 10 cm. If the distance of the object from the optical centre of the lens is 20 cm, determine the position, nature and size of the image formed using the lens formula.
List four specific characteristics of the images of the objects formed by convex mirrors.
Draw a ray diagram to show the path of the reflected ray corresponding to an incident ray of light parallel to the principal axis of a concave mirror. Mark the angle of incidence and angle of reflection on it.
With the help of a ray diagram, determine the position, nature and size of the image formed of an object placed at the centre of curvature of a concave mirror.
An object 3 cm high is placed at a distance of 8 cm from a concave mirror which produces a virtual image 4.5 cm high:
(i) What is the focal length of the mirror?
(ii) What is the position of image?
(iii) Draw a ray-diagram to show the formation of image.
A converging mirror forms a real image of height 4 cm of an object of height 1 cm placed 20 cm away from the mirror:
- Calculate the image distance.
- What is the focal length of the mirror?
Why does obtaining the image of the sun on paper with the help of a concave mirror burn the paper?
In which equipment/s do you find ___________________
According to cartesion sign convention, which mirror and which lens has negative focal length?
A student wants to obtain an erect image of an object using a concave mirror of 10 cm focal length. What will be the distance of the object from mirror?
